Application materials and industry:It suits for automobile, autocycle, aviation, spaceflight, mechanism, apparatus, instrument etc.fields. It can mark or sealing on steel, copper, aluminum, plastic, wood, organic-glass etc.material accessories and different nameplates. Such as the nameplates of apparatus, instrument and mechanical equipments. It suits for metal and non-metal etc. multi-materials.Main Technical Parameters: Model: LMM-QBJ-13080, LMM-QBJ-150100, LMM-QBJ-200150 (for choice) Marking Frame: 130mm*80mm / 150mm*100mm / 200mm*150mm (for choice) Marking Speed: 2-4 English characters (0-3MM word height)/second Minimum Line width: 0.02mm Repeat Precision: +/-0.001mm Depth of Marking: 0.01-3mm(optical materials) Needs for gas source: 0.3-0.6Mpa Power Supply: 220V+/-10% / 50Hz